Dresden 2014 – wissenschaftliches Programm
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DS: Fachverband Dünne Schichten
DS 35: Poster I: Application of thin films; Focus session: Sensoric micro and nano-systems; Focus Session: Sustainable photovoltaics with earth abundant materials; Graphen (joint session with TT; MA; HL; DY; O); Ion and electron beam induced processes; Layer properties: electrical, optical, and mechanical properties; Magnetic/organic interfaces, spins in organics and molecular magnetism; Micro- and nanopatterning (jointly with O); Organic electronics and photovoltaics (jointly with CPP, HL, O); Thermoelectric materials
DS 35.15: Poster
Mittwoch, 2. April 2014, 17:00–20:00, P1
Carbon-Nickel Interface Dynamics During Physical Vapor Deposition — •Robert Wenisch1, Matthias Krause1,2, René Hübner1, Sibylle Gemming1,3, and Gintautas Abrasonis1 — 1Bautzner Landstraße 400, 01328 Dresden — 2Mommsenstraße 9, 01069 Dresden — 3Technische Universität Chemnitz, 09107 Chemnitz
Interface dynamics play a crucial role in Nickel catalyzed fabrication of carbon nanotubes, carbon nanowires and graphene. Interface dynamics are studied by deposition of atomic C on Ni at temperatures of 23–550∘C. The obtained films are characterized by transition electron microscopy, Raman-spectroscopy, nuclear reaction analysis and X-ray photoelectron spectroscopy. Bulk diffusion and solubility are found negligible in the present experiments leaving surface diffusion as the main graphitization mechanism. The presented process may open new avenues for the fabrication of graphene on Ni at low temperatures (< 300∘C).